Home / 7,574.46-11,372.28-3,879.24

Finding the Fourth Proportional to 7,574.46, 11,372.28 and 3,879.24

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Solution

The fourth proportional to 7,574.46, 11,372.28 and 3,879.24 is: 5,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.46 : 11,372.28 = 3,879.24 : x
  2. Step 2: Convert to fraction form
    7,574.46/11,372.28 = 3,879.24/x
  3. Step 3: Cross multiply
    7,574.46x = 11,372.28 × 3,879.24
  4. Step 4: Simplify right side
    7,574.46x = 44,115,803.47
  5. Step 5: Solve for x
    x = 44,115,803.47/7,574.46
  6. Step 6: Final answer
    x = 5,824.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.